19435828

素因数分解:

$2^2\times {\mathrm{17}}^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 38586240

約数和(自身を除く): 19150412

約数列:

[1, 2, 4, 17, 23, 34, 43, 46, 68, 86, 92, 172, 289, 391, 578, 731, 782, 989, 1156, 1462, 1564, 1978, 2924, 3956, 4913, 6647, 9826, 12427, 13294, 16813, 19652, 24854, 26588, 33626, 49708, 67252, 112999, 211259, 225998, 285821, 422518, 451996, 571642, 845036, 1143284, 4858957, 9717914, 19435828]

約数ペア:

[(1, 19435828), (2, 9717914), (4, 4858957), (17, 1143284), (23, 845036), (34, 571642), (43, 451996), (46, 422518), (68, 285821), (86, 225998), (92, 211259), (172, 112999), (289, 67252), (391, 49708), (578, 33626), (731, 26588), (782, 24854), (989, 19652), (1156, 16813), (1462, 13294), (1564, 12427), (1978, 9826), (2924, 6647), (3956, 4913)]